4. If a person walks at 4/5th of his usual spee he reaches 40min late. If he walks athis usual speed how much time does he travels.

Ans:160min or 2hr 40min

5. Two trains A&B start at opposite points 120km at 60kmph. A fly starting along with train A at 120kmph reaches B then returns back to touch and continue. By the time two trains meet howmuch distance the fly would have travelled?

Ans : By 1hour both trains meet, so the distance travel by fly in 1hr is 120km.6.In a class 80% have passed english,70% passed Hindi 10% didnot passed either. If 144 students passed both. What is the total strength of the class.

Ans: 240

. Find the least number when divided by 7 gives the reminder 6, when divided by 6 gives reminder 5, when divided by 5 gives reminder 4 and so on....Ans: 419

8. If a man stands in front of sun what is the first letter of the direction which is left to him:

12. If I bought a cycle before 2days of my birthday and I broke it after 3 days of my birthday the day I broke is Mar2, 1956? Answer following logical questions?i) when is his birthday?Ans: April,28 (due to leap year i.e.1956) but do not keep answer blindly we just think before choosing answer Iam just giving ideaof question

13. Monday Aug25, 96

Mr A, You forgott your umbrella during the party on last friday.I expected you to collect it on your visit on wednesday,I plan to leave on this Friday.

Questions: when A missed umbrella?When A is supposed to collect it?

When K leaves?

Hint: These dates i.e. Aug 25 is not exactly given in test, but Iam giving feel of that question.If you solve this question you can solve it easily in exam.

14.What is my father's sons son to my son?

Ans: cousin brother

15.On cutting which solid parabola would be generated Ans: cone

16. Eulers formula: Ans: F+V-E =2;

F= faces;V= vertices;E = number of edges

17. Newton Rapson method is to find Ans:to find the root of f(x) = 0;

18. How many tangents can be dran within three circles if they donot lie within each otherAns : 12 But this answer is not there I kept 8 as answer

19. In language the fortran which is true. A) fortran uses call by value

20. When a program is compiled what it produces

Ans:source code to object code

21. In the following venn diagram shaded region is represented by some question like that I can't draw figure here thats why Iam sendinganswer only

Ans: (B-A)' i.e. (B-A) whole dash

22. xy-x+2y = 6 equation is shifted to form equation xy=c what is c?

Ans : 4

23.When x is real what is the least value of (x**2-6*x+5)/(x**2+2*x+1)

Ans:-1/3

24.When an object like cube or sphere is seen along x,y,z,axes we get the same.Apart from these suggest another which has similar characteristics?

Ans:you have to draw the figure Ans: is triangular prism you draw triangular prism.

25. When an object is seen from front side we can see two concentric squares and topview also without any hidden lines. Draw the side view.

Ans: I know ans but I canot draw.

26. Convert 251 decimal to base 8(i.e. octal)?

Ans: similar question but for this question answer is 373

27. How much information can be solved in 1 byte of a IBM pc compatible?

Ans: 256

28.What is the language used for Artificial Intelligence Ans: lisp

29. Swap two variables without using temporary variable

Ans: a= a+b; b= a-b; a= a-b:

30.Which is not the operating system ?Ans: BIOS

31. What is the optimum number of operations for 2*(x**3)+3*(x**2)+5*x+5?

Ans: three multiplications, three additions.

32. A=> BmeansAns: if A is true B has to be true

33.If A is not invertible and BA = I is not possible

Ans: Determinant is Zero.

34, What is FREE BoDY Diagram

Ans: Used for analysing FEM.

35. A die is thrown twice what is the probability that you get same number